OBJECTIVE To evaluate the effect and quality of the low-temperature plasma sterilization in 9hospitals and analyze the causes of the positive biological surveillance so as to put forward effective prevention measures.METHODS The information of running state of the low-temperature plasma sterilizers was collected from 3tertiary level hospital and 6secondary level hospitals by phone call communication from their purchases to Jun 2014,and the collected data included the brand of sterilizers,total number of tim...